野鳥フィールドノート byNSDev
Nihon System Developer Corp.
Picture Bird - 拍照识鸟
Next Vision Limited
Birds of Europe Field Guide
Ecosystema
Merlin 鸟种识别 by Cornell Lab
Cornell Lab of Ornithology
BirdNET
Stefan Kahl
Bird Life
Cross Field Inc.
My Birds - Aviary Manager
Daniel Medina
Identify Birds,Bird Identifier
FAMO Connect LLC
Audubon Bird Guide
National Audubon Society
eBird by Cornell Lab